30 Facts About Simpsonite
Simpsoniteis a rarified mineral that has connive geologists and accumulator alike . encounter primarily in Brazil , this mineral boast a unique composition and striking visual aspect . But what make Simpsonite so special?Its rarity and classifiable propertiesset it apart from other mineral . With a stiffness of 7.5 on the Mohs weighing machine , it ’s not only beautiful but also durable . Thismineraloften var. in pegmatites , which are coarse - grained pyrogenic rocks ....